am 44b7ef54: Merge "SipService: add permission check for using API" into gingerbread

Merge commit '44b7ef5408f135892fe8e8643fa4946532902672' into gingerbread-plus-aosp

* commit '44b7ef5408f135892fe8e8643fa4946532902672':
  SipService: add permission check for using API